Shares in networking chip vendor Marvell Technology (MRVL) are surging on the back of a very strong earnings report. As reported by Tiernan Ray: “sales rose 27% year-over-year to $804 million in its fiscal first quarter ending May 3, beating an average estimate of $784 million. The company’s net income per diluted share of 24 cents, excluding some costs, was almost five times as high as the year-earlier period, and well ahead of estimates of 13 cents per share. Including costs for stock-based-compensation, among other things, profit was 11 cents a share. The company cited stronger than expected sales of “802.11N” wireless router chips, chips for networked disk drives, and printer chips among the sources of higher-than-expected revenue in the quarter. Cost-cutting initiatives helped Marvell boost its gross profit as a percentage of sales to 52%, …